Well, probably a list of people more than willing to buy you a round of beer given the chance. If, possibly, not in a way that would make for a concise foot or end note in style book-recognized citation form.
Now, floater-nets--which were loaded into baskets--on USN ships are not Carley floats. They are assemblies which look much like cargo nets, excepting the spacing is adapted to have disks of buoyant material interspersed in the grid of lines. Much as the Carley float was intended, they were to be a stop-gap flotsam that would survive minor damage, and be self-releasing in case of foundering.
However, in practice, they had many shortcomings. Like coming astray in their baskets due to waves, or wind or the like. Painting them to match camouflage meant they would not be buoyant. Further, to keep the weight & cost down, natural materials like cork, balsa, even kapok for the flotation disks were used. All of which would lose buoyancy after being exposed to rain, waves, ice and the like. Which could not be tested except by tossing them into the water. The item was a hold-over from the leaner years between the wars. Which is why most vessel also had stockpiles of the much larger life rafts, which may or may not have been built to Carely patent design.
Just by documentary evidence there was a large standard size, which was used on every thing from DD to BB to AP & AK--all of which would be too large for the foredeck of a PT. Also, were there a range of such floats, the documentation-obsessed US military establishment would have printed at least one document on the topic (think of the numbers of landing craft publications that exist).
Now, I want to remember some pre-internet controversy over whether or not PTs were designed to carry a liferaft, or if one was just provided out of yard/base supplies.
But, what do I know? I'm just an O5 with 2¢; person wanting a happy meal will need another $4.
But. I'd elbow a space at the bar and spot any in the thread a beer if opportunity and desire allowed.